one method is to convert the mesh into a morph and change manually the color of each face ...
Depending on the size of the mesh it could be a big job ..
AC 19 and AC21 latest hotfix
Win 10 Pro 64bit
Double XEON 14 CORES (tot 28 physical cores)
32GB RAM - SSD 256GB - Nvidia Quadro K620
Display DELL 25'' 2560x1440